the watch won’t simply fall off your wrist — as would occur with something like the standard two-piece strap. However, this doesn’t explain the NATO strap’s design at all: a single-pass strap (one ...

The allure of a Nato – and indeed Zulu and single-pass ... The big difference compared to regular two-piece straps, of course, is that the fabric sits between your wrist and the case back.

I've never been a fan of NATO straps as they're traditionally one piece that slides over the case back, but this one is more “conventional” with a two-piece design and stainless steel pin buckle.

We also deal with both NATO/single pass-style straps as well as two-piece types. The NATO strap is an old standby from the days of issued military watches — you can read all about their history here ...